Cast
Gérard Tichy
Matras
Howard Vernon
The 'professor'
Fernando Guillén
Colonel's Deputy
Rico López
Alvarez
Antonio Casas
Colonel
Víctor Israel
Police Technician
Carlos Otero
Jean Marais
Antoine Donadieu
Jean Lara
Pelletier
André Cagnard
Gouferolles
José María Caffarel
Police Technician
Álvaro de Luna
Hamlet
José Manuel Martín
Jaime
Marisa Mell
Frieda
Léon Zitrone
Self
Carlos Casaravilla
Varosky